Made Match Braces and Custom Class compatible

[RunDevelopment]

This makes the two plugins compatible with each other.

CC will now expose an apply method which applies all transformations to one class name. MB will detect whether CC is loaded and use its transformation function if loaded.

Since MB will dynamically detect CC, the dependency doesn't have to be declared in components.json. The two plugins can be loaded in any order.

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This resolves #2933.

[github-actions]

JS File Size Changes (gzipped)

A total of 2 files have changed, with a combined diff of +68 B (+6.0%).

file	master	pull	size diff	% diff
plugins/custom-class/prism-custom-class.min.js	276 B	287 B	+11 B	+4.0%
plugins/match-braces/prism-match-braces.min.js	848 B	905 B	+57 B	+6.7%

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